Petrich, Mario. <br/><br/>
Categories of algebraic systems  vector and projective spaces, semigroups, rings, and lattices 
Mario Petrich. 
 - Berlin  New York  Springer-Verlag  1976. 
 - viii, 217 p.  ill.  25 cm. 
 - Lecture notes in mathematics ; 553 .
 - Lecture notes in mathematics (Springer-Verlag)  553. .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. [188]-198. 
<br/><br/><label>ISBN: </label>038707998X 
<br/><br/><label>LCCN: </label>76053511 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra, Abstract.<br/>Categories (Mathematics)
<br/><br/><label>LC Class. No.: </label>QA3  QA162  / .L28 no. 553 
<br/><br/><label>Dewey Class. No.: </label>510/.8 s  512